Start with a money date
Pick a calm evening, not the day a big bill arrives. Share what you each earn, owe and hope for. The goal is a shared picture, not a verdict.
It helps to talk about how money worked in the homes you grew up in. Many disagreements come from habits learned long before you met.
Yours, mine and ours
Many couples keep a joint account for shared bills and goals, plus a personal account each for guilt-free spending. Nobody has to justify a coffee.
Splitting shared costs by share of income often feels fairer than splitting 50/50, especially when incomes are very different.
Agree on a few big goals
A home, a trip, children, early retirement. Write down two or three goals with a rough date and cost for each.
Shared goals turn money from a source of friction into a project you work on together.
Agree on a "check with me" amount
Pick a number, for example $300, above which either of you checks in before spending. It prevents surprises without either person feeling policed.
Check in monthly
Fifteen minutes a month on your shared net worth and upcoming costs keeps you on the same page. Celebrate progress, however small.